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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=845057
-->
<head>
  <title>Test for Bug 845057</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=845057">Mozilla Bug 845057</a>
<p id="display"></p>
<div id="content">
  <iframe id="iframe" sandbox="allow-scripts"></iframe>

</div>
<pre id="test">
<script class="testbody" type="text/javascript">
  var iframe = document.getElementById("iframe"),
      attr = iframe.sandbox;
  // Security enforcement tests for iframe sandbox are in test_iframe_*

  function eq(a, b) {
    // check if two attributes are qual modulo permutation
    return ((a+'').split(" ").sort()+'') == ((b+'').split(" ").sort()+'');
  }

  ok(attr instanceof DOMTokenList,
     "Iframe sandbox attribute is instace of DOMTokenList");
  ok(eq(attr, "allow-scripts") &&
     eq(iframe.getAttribute("sandbox"), "allow-scripts"),
     "Stringyfied sandbox attribute is same as that of the DOM element");

  ok(attr.contains("allow-scripts") && !attr.contains("allow-same-origin"),
     "Set membership of attribute elements is ok");

  attr.add("allow-same-origin");

  ok(attr.contains("allow-scripts") && attr.contains("allow-same-origin"),
     "Attribute contains added atom");
  ok(eq(attr, "allow-scripts allow-same-origin") &&
     eq(iframe.getAttribute("sandbox"), "allow-scripts allow-same-origin"),
     "Stringyfied attribute with new atom is correct");

  attr.add("allow-forms");
  attr.remove("allow-scripts");

  ok(!attr.contains("allow-scripts") && attr.contains("allow-forms") &&
     attr.contains("allow-same-origin"),
     "Attribute does not contain removed atom");
  ok(eq(attr, "allow-forms allow-same-origin") &&
     eq(iframe.getAttribute("sandbox"), "allow-forms allow-same-origin"),
     "Stringyfied attribute with removed atom is correct");
</script>
</pre>
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